CN108639038B - Double MCU control system applied to automobile electronic parking brake - Google Patents
Double MCU control system applied to automobile electronic parking brake Download PDFInfo
- Publication number
- CN108639038B CN108639038B CN201810757846.8A CN201810757846A CN108639038B CN 108639038 B CN108639038 B CN 108639038B CN 201810757846 A CN201810757846 A CN 201810757846A CN 108639038 B CN108639038 B CN 108639038B
- Authority
- CN
- China
- Prior art keywords
- control
- microcontroller
- circuit
- mcu2
- parking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims abstract description 18
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to a method applied toDouble MCU control system of car electron parking braking, its characterized in that: comprises a microcontroller MCU1 # MCU2 # The control switching circuit, the H-Bridge driving circuit, the parking switch circuit and the dual-axis acceleration sensor; the microcontroller MCU1 # And a microcontroller MCU2 # The MCU1 is a core module of the electronic parking brake control system # And a microcontroller MCU2 # The control switching circuit is executed to control the parking motor by detecting signals of the parking switch circuit and the double-shaft acceleration sensor; the double-path MCU system is the core of the control system, can independently control a driving circuit to realize the control of the electronic parking brake motor, can switch to the other path to continue the control after one path of MCU control fails, realizes the redundant backup of the control system, can obtain better system backup, and realizes the high safety and high reliability of the system.
Description
Technical Field
The invention relates to the field of automobile electronic parking brake control systems, in particular to a double MCU control system applied to automobile electronic parking brakes.
Background
A double MCU control system applied to automobile electronic parking brake mainly comprises a microcontroller MCU1 # MCU2 # The control switching circuit, the H-Bridge driving circuit, the parking switch circuit and the dual-axis acceleration sensor. Microcontroller MCU1 # 、MCU2 # The electronic parking brake system comprises a core control module. In an automobile electronic parking brake system, a single MCU is used as a main flow control device, a certain failure risk exists, and the safety of automobile parking brake can be possibly affected. The invention adopts the double MCUs as the control cores, and can still realize the parking brake control by using the backup MCU through the control switching circuit after the single MCU fails, thereby solving the problem. The invention designs the original single microcontroller into the double MCU redundant controller, greatly enhances the safety of the system and makes the whole system more widely applied.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double MCU control system applied to an automobile electronic parking brake, which can solve the problem that in a general automobile electronic parking brake system, a single MCU is used as a main flow control device, a certain failure risk exists, and the safety of the automobile parking brake can be possibly influenced.
In order to solve the technical problems, the technical scheme of the invention is as follows: a double MCU control system applied to automobile electronic parking brake is characterized in that: comprises a microcontroller MCU1 # MCU2 # The control switching circuit, the H-Bridge driving circuit, the parking switch circuit and the dual-axis acceleration sensor; the microcontroller MCU1 # And a microcontroller MCU2 # The MCU1 is a core module of the electronic parking brake control system # And a microcontroller MCU2 # The control of the parking motor is executed through the control exchange circuit by detecting signals of the parking switch circuit and the double-shaft acceleration sensor;
the microcontroller MCU1 # And a microcontroller MCU2 # Meanwhile, signals of the parking switch circuit and the double-shaft acceleration sensor are monitored, and the control of the motor of the parking brake system can be realized independently of each other but not simultaneously through the control exchange circuit.
Furthermore, one side of the parking switch circuit and one side of the biaxial acceleration sensor are provided with a microcontroller MCU1 # Connected application specific integrated circuit and microcontroller MCU1 # A connected memory chip; the parking switch circuit and the other side of the double-shaft acceleration sensor are provided with a microcontroller MCU2 # Connected application specific integrated circuit and micro controller unit MCU2 # And a connected memory chip.
Further, the microcontroller MCU1 # And a microcontroller MCU2 # The output is used for carrying out isolation processing on the control signal of the H-Bridge, so that when one path of MCU fails, the control of the motor of the parking brake system can be switched to the other path.
Furthermore, the system also comprises a motor drive Bridge circuit formed by MOSFETs, and the motor drive Bridge circuit is matched with the H-Bridge drive circuit to realize the control of the parking brake motor.
The invention has the advantages that:
1) The invention adopts a double-path MCU system, a double-path motor drive axle module and a double-MCU control conversion circuit, wherein the double-path MCU system is the core of the control system, and can independently control the drive circuit to realize the control of the electronic parking brake motor, and after one path of MCU control fails, the control circuit can be switched to the other path of MCU control to continue the control, so that the redundant backup of the control system is realized, the better system backup can be obtained, and the high safety and the high reliability of the system are realized.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a dual MCU control system for an electronic parking brake of an automobile according to the present invention.
Detailed Description
The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.
The double MCU control system applied to the electronic parking brake of the automobile as shown in FIG. 1 comprises a microcontroller MCU1 # (1) MCU2 # (2) A control exchange circuit (3), an H-Bridge driving circuit (4), a parking switch circuit (5) and a double-shaft acceleration sensor (6); the microcontroller MCU1 # (1) And a microcontroller MCU2 # (2) The MCU1 is a core module of the electronic parking brake control system # (1) And a microcontroller MCU2 # (2) The control of the parking motor is performed by detecting signals of the parking switch circuit and the biaxial acceleration sensor through the control switching circuit.
Microcontroller MCU1 # (1) And a microcontroller MCU2 # (2) Meanwhile, signals of the parking switch circuit (5) and the biaxial acceleration sensor (6) are monitored, and the control of the parking brake system motor can be realized independently of each other but not simultaneously through the control switching circuit (3).
One side of the parking switch circuit (5) and one side of the double-shaft acceleration sensor (6) are provided with a microcontroller MCU1 # (1) An application specific integrated circuit (7) connected to the microcontroller MCU1 # (1) A connected memory chip (8); the other sides of the parking switch circuit (5) and the biaxial acceleration sensor (6) are provided with a microcontroller MCU2 # (2) An application specific integrated circuit (7) connected to the microcontroller MCU2 # (2) And a connected memory chip (8).
Microcontroller MCU1 # (1) And a microcontroller MCU2 # (2) The output is used for carrying out isolation processing on the control signal of the H-Bridge, so that when one path of MCU fails, the control of the motor of the parking brake system can be switched to the other path.
The system also comprises a motor drive Bridge circuit (9) formed by MOSFETs, and meanwhile, the system is matched with the H-Bridge drive circuit (4) to realize the control of the parking brake motor.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. Be applied to two MCU control system of car electron parking braking, its characterized in that: comprises a microcontroller MCU1 # MCU2 # The control switching circuit, the H-Bridge driving circuit, the parking switch circuit and the dual-axis acceleration sensor; the microcontroller MCU1 # And a microcontroller MCU2 # The MCU1 is a core module of the electronic parking brake control system # And a microcontroller MCU2 # The control of the parking motor is executed through the control exchange circuit by detecting signals of the parking switch circuit and the double-shaft acceleration sensor;
the microcontrollerMCU1 # And a microcontroller MCU2 # Simultaneously monitoring signals of the parking switch circuit and the double-shaft acceleration sensor, and controlling a motor of the parking brake system through a control exchange circuit independently but not simultaneously;
one side of the parking switch circuit and one side of the double-shaft acceleration sensor are provided with a microcontroller MCU1 # Connected application specific integrated circuit and microcontroller MCU1 # A connected memory chip; the parking switch circuit and the other side of the double-shaft acceleration sensor are provided with a microcontroller MCU2 # Connected application specific integrated circuit and micro controller unit MCU2 # A connected memory chip;
the microcontroller MCU1 # And a microcontroller MCU2 # The output of the control signal of the H-Bridge is isolated by the control switching circuit, so that when one path of MCU fails, the control of the motor of the parking brake system can be switched to the other path.
2. The dual MCU control system for an electronic parking brake of an automobile of claim 1, wherein: the system also comprises a motor drive Bridge circuit formed by MOSFETs, and meanwhile, the system is matched with an H-Bridge drive circuit to realize the control of a parking brake motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757846.8A CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757846.8A CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108639038A CN108639038A (en) | 2018-10-12 |
| CN108639038B true CN108639038B (en) | 2024-03-15 |
Family
ID=63750832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757846.8A Active CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639038B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12145566B2 (en) | 2019-06-07 | 2024-11-19 | Hl Mando Corporation | Structure of control device in brake system |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169451A (en) * | 2018-11-12 | 2020-05-19 | 比亚迪股份有限公司 | Parking control system, control method and vehicle with parking control system |
| CN110281896A (en) * | 2019-05-29 | 2019-09-27 | 浙江亚太机电股份有限公司 | The electronic control unit control system of EPB+P grades of dual control dual redundant backups |
| CN110228453B (en) * | 2019-06-04 | 2021-03-09 | 中国第一汽车股份有限公司 | Parking control method and device for vehicle and vehicle |
| WO2020246865A1 (en) * | 2019-06-07 | 2020-12-10 | 주식회사 만도 | Electronic control unit structure of brake system |
| CN112389399A (en) * | 2019-08-16 | 2021-02-23 | 罗伯特·博世有限公司 | Electronic control unit for a motor vehicle and method for controlling a parking brake system |
| CN111907505B (en) * | 2020-08-07 | 2021-02-19 | 格陆博科技有限公司 | Automobile electronic parking execution controller with double-MCU redundancy design |
| CN112622845B (en) * | 2020-12-23 | 2021-12-21 | 万向钱潮股份有限公司 | Hot standby electronic parking brake system coordination control method |
| CN113949311B (en) * | 2021-09-23 | 2023-10-31 | 东风柳州汽车有限公司 | Electronic parking backup control circuit and method, controller and automobile |
| CN117148704A (en) * | 2023-10-31 | 2023-12-01 | 格陆博科技有限公司 | Intelligent chassis domain controller with hardware full redundancy design |
| CN117734657A (en) * | 2023-12-14 | 2024-03-22 | 磐吉奥科技股份有限公司 | Parking actuator control method, system, electronic device and readable storage medium |
| CN118004120B (en) * | 2024-04-10 | 2024-07-16 | 万向钱潮股份公司 | Electronic parking braking system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090128716A (en) * | 2008-06-11 | 2009-12-16 | 주식회사 만도 | Electronic control unit of vehicle |
| CN102431530A (en) * | 2011-10-28 | 2012-05-02 | 吉林大学 | Intelligent parking brake and auxiliary starting control method |
| CN107757593A (en) * | 2017-09-22 | 2018-03-06 | 芜湖伯特利汽车安全系统股份有限公司 | A kind of electronic parking control system and its control method with redundancy parking function |
| CN208484676U (en) * | 2018-07-11 | 2019-02-12 | 格陆博科技有限公司 | A kind of double MCU control systems applied to automotive electronic parking braking |
-
2018
- 2018-07-11 CN CN201810757846.8A patent/CN108639038B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090128716A (en) * | 2008-06-11 | 2009-12-16 | 주식회사 만도 | Electronic control unit of vehicle |
| CN102431530A (en) * | 2011-10-28 | 2012-05-02 | 吉林大学 | Intelligent parking brake and auxiliary starting control method |
| CN107757593A (en) * | 2017-09-22 | 2018-03-06 | 芜湖伯特利汽车安全系统股份有限公司 | A kind of electronic parking control system and its control method with redundancy parking function |
| CN208484676U (en) * | 2018-07-11 | 2019-02-12 | 格陆博科技有限公司 | A kind of double MCU control systems applied to automotive electronic parking braking |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12145566B2 (en) | 2019-06-07 | 2024-11-19 | Hl Mando Corporation | Structure of control device in brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108639038A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108639038B (en) | Double MCU control system applied to automobile electronic parking brake | |
| CN109850008B (en) | Dual-motor dual-power-supply steer-by-wire system and fault-tolerant control method thereof | |
| US9428159B2 (en) | Fail-safe parking brake for motor vehicles | |
| US8548708B2 (en) | Brake system for a vehicle and method for operating a brake system for a vehicle | |
| CN208053433U (en) | Vehicle redundant electronic braking in a turn system | |
| CN208165094U (en) | The redundant electronic steering system of automatic driving vehicle | |
| CN109733461A (en) | The redundant electronic steering system and control method of automatic driving vehicle | |
| CN109823330B (en) | EPB brake backup system | |
| CN107031597A (en) | A kind of integrated type electrical brake fluid system and method | |
| CN207725389U (en) | A kind of electronic parking control system with redundancy parking function | |
| CN102167027A (en) | Fault-tolerant control system based on line control brake | |
| CN112622854B (en) | Decoupling intelligent braking system and braking torque control method thereof | |
| CN212861418U (en) | Commercial vehicle brake control system with redundant brake control function | |
| WO2021255985A1 (en) | Electronic control device and vehicle control method | |
| CN207089289U (en) | A kind of integrated type electrical brake fluid system | |
| CN208484676U (en) | A kind of double MCU control systems applied to automotive electronic parking braking | |
| CN211075855U (en) | Electronic parking and P-gear parking control system applied to motor vehicle | |
| CN117184042B (en) | Electronic car body stability control system and device integrated with EPB | |
| CN111532251A (en) | Braking system applied to unmanned vehicle | |
| CN202275283U (en) | Control circuit | |
| CN117022223A (en) | Redundant parking system, control method, vehicle and storage medium | |
| CN109398336A (en) | It is a kind of based on the man-machine automatic driving vehicle general brake system driven altogether and braking method | |
| US8139631B2 (en) | Method for transmitting data | |
| CN117125005A (en) | Dual MCU chassis domain controller | |
| CN214607478U (en) | Stay-supported EPB control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhaoyong Inventor after: Wang Jun Inventor after: Gu Qindong Inventor after: Yu Zixiang Inventor before: Wang Jun Inventor before: Gu Qindong Inventor before: Yu Zixiang Inventor before: Liu Zhaoyong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |